<!DOCTYPE html>
<meta charset="utf-8">
<link rel="author" href="mailto:Hironori.Fujii@sony.com">
<style>
.box {
  display: inline-block;
  box-sizing: border-box;
  width: 100px;
  height: 100px;
  border-radius: 10px 20px 30px 40px;
  border-width: 10px;
}
.no-bf > .box {
  background: black;
}
</style>
<div>
  <p>Expected: Same size rounded black boxes.</p>
</div>

<div class="no-bf">
  <div class="box"></div>
  <div class="box"></div>
  <div class="box"></div>
</div>
<div class="no-bf">
  <div class="box"></div>
  <div class="box"></div>
  <div class="box"></div>
</div>
